package com.itheima;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import org.springframework.stereotype.Service;


import java.util.UUID;

@Service
public class QiniuUploadService implements UploadService {
    // 依赖注入七牛云存储的相关配置Bean和SDK组件
    private QiniuyunOssConfig qiniuyunOssConfig;

    public QiniuUploadService(QiniuyunOssConfig qiniuyunOssConfig) {
        this.qiniuyunOssConfig = qiniuyunOssConfig;
    }


    @Override
    public String uploadFile(byte[] content, String extName) {
        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Region.region1());
        cfg.resumableUploadAPIVersion = Configuration.ResumableUploadAPIVersion.V2;// 指定分片上传版本
//...其他参数参考类注释
        UploadManager uploadManager = new UploadManager(cfg);
//...生成上传凭证，然后准备上传
        String accessKey = qiniuyunOssConfig.getAccessKey();
        String secretKey = qiniuyunOssConfig.getSecretKey();
        String bucket = qiniuyunOssConfig.getBucket();
//如果是Windows情况下，格式是 D:\\qiniu\\test.png
        String localFilePath = UUID.randomUUID() + extName;
//默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = localFilePath;

        Auth auth = Auth.create(accessKey, secretKey);
        String upToken = auth.uploadToken(bucket);

        try {
            Response response = uploadManager.put(content, key, upToken);
            //解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
            System.out.println(putRet.key);
            System.out.println(putRet.hash);
        } catch (QiniuException ex) {
            ex.printStackTrace();
            if (ex.response != null) {
                System.err.println(ex.response);

                try {
                    String body = ex.response.toString();
                    System.err.println(body);
                } catch (Exception ignored) {
                }
            }
        }
        //return endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + localFilePath;
        return "http://sdkov9dub.hb-bkt.clouddn.com/" + localFilePath;
    }
}